Davis Murphy resumes & CV records
Resumes
Davis Murphy
Location:
United States
Davis W Murphy, 8440 Rangers Dr, Hudson, NH 03051
Davis Murphy Phones & Addresses
40 Rangers Dr, Hudson, NH 03051 603-8835943
Ashburn, VA
Dover, NH
2163 Astoria Cir, Herndon, VA 20170 703-9566845
Greenville, AL
Newmarket, NH
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Publications & IP owners
Us Patents
Tunable Resistance Conductive Ink Circuit
US Patent:
2012021, Aug 23, 2012
Filed:
Feb 22, 2012
Appl. No.:
13/402124
Inventors:
Douglas R. Bulmer - Windham NH, US
Jonathan Roberts - Canaan NH, US
Davis Murphy - Hudson NH, US
Jonathan Roberts - Canaan NH, US
Davis Murphy - Hudson NH, US
International Classification:
H01C 3/06
H01C 17/242
H01C 17/14
H01C 17/245
H01C 17/02
H01C 17/242
H01C 17/14
H01C 17/245
H01C 17/02
US Classification:
338214, 296101, 29613, 29593
Abstract:
The method and system of high-resistance, multiple-conductor flat cables which contain integral tunable resistance sections suitable for fine tuning the resistance of a conductor to match the resistance of the conductors to one another within a specified target value. The method involves the design and creation of the high-resistance, multiple-conductor flat cables and the tuning of the resistance of the conductor.
Laminated Conductive Material, Multiple Conductor Cables And Methods Of Manufacturing Such Cables
US Patent:
5274195, Dec 28, 1993
Filed:
Jun 2, 1992
Appl. No.:
7/891700
Inventors:
Davis W. Murphy - Hudson NH
Dennis A. Bonnette - Hudson NH
Thomas H. Stearns - Nashua NH
Dennis A. Bonnette - Hudson NH
Thomas H. Stearns - Nashua NH
Assignee:
Advanced Circuit Technology, Inc. - Nashua NH
International Classification:
H01B 708
US Classification:
174117FF
Abstract:
A laminate comprising metal layers separated by an etchant barrier to control depth of etching of the laminate, the barrier being etchable by an etchant which is not an etchant for the layers. A cable incorporating such a laminate and having relatively flexible conductors integral with relatively rigid terminals. A method of making such a cable, using the laminate, by selectively etching the layers down to the barrier to form the conductors and terminals, stripping the barrier and laminating the conductor with an insulating material preferably extending over at least a portion of the terminals to reinforce the conductor terminal transition and a cable when made of such a method.
Method Of Forming Printed Circuits Having Multiple Conductor Thicknesses
US Patent:
5985161, Nov 16, 1999
Filed:
Sep 10, 1997
Appl. No.:
8/968766
Inventors:
Davis W. Murphy - Hudson NH
Assignee:
Advanced Circuit Technology, Inc. - Nashua NH
International Classification:
B44C 122
US Classification:
216 20
Abstract:
A method of forming a conductive network, having relatively flexible electrical conductor areas integral with relatively rigid electrically conductor areas including (a) providing a relatively rigid laminate having a dielectric lamina supporting, at least in part, a first electrically conductive lamina which is in electrically conductive intimate contact with a second electrically conductive lamina by way of an electrically conductive barrier layer, the first and second conductive laminae being of a material etchable by an etchant which is not an etchant for the barrier layer; (b) selectively etching desired portions of the aid second electrically conductive lamina to the barrier layer in at least the relatively flexible areas using the etchant; and (c) selectively etching desired exposed metallic portions of the laminate down to the dielectric lamina to form the conductive network using an etchant, the etchant chosen to etch both the conductive lamina and the barrier layer.
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